select.cpp

#include <iostream>
  
  #include <sys/types.h>
  #include <sys/socket.h>
  #include <netinet/in.h>
  #include <arpa/inet.h>
  #include <stdio.h>
  #include <stdlib.h>
  #include <string.h>
  #include <unistd.h>

int main()
{
  std::cout << "hello world" << std::endl;
  
    struct sockaddr_in stSockAddr;
    int SocketFD = socket(PF_INET, SOCK_STREAM, IPPROTO_TCP);
 
    if(-1 == SocketFD)
    {
      perror("can not create socket");
      exit(EXIT_FAILURE);
    }
 
    memset(&stSockAddr, 0, sizeof(stSockAddr));
 
    stSockAddr.sin_family = AF_INET;
    stSockAddr.sin_port = htons(1100);
    inet_pton(AF_INET, INADDR_ANY, &(stSockAddr.sin_addr.s_addr));
 
    if(-1 == bind(SocketFD,(struct sockaddr *)&stSockAddr, sizeof(stSockAddr)))
    {
      perror("error bind failed");
      close(SocketFD);
      exit(EXIT_FAILURE);
    }
 
    if(-1 == listen(SocketFD, 10))
    {
      perror("error listen failed");
      close(SocketFD);
      exit(EXIT_FAILURE);
    }
 
    for(;;)
    {
      int ConnectFD = accept(SocketFD, NULL, NULL);
 
      if(0 > ConnectFD)
      {
        perror("error accept failed");
        close(SocketFD);
        exit(EXIT_FAILURE);
      }
 
     /* perform read write operations ... 
     read(sockfd,buff,size)*/
 
      shutdown(ConnectFD, SHUT_RDWR);
 
      close(ConnectFD);
    }
 
    close(SocketFD);
    return 0;

}